| System Software |
| OS |
Linux kernel 2.6.19 |
| Embedded service |
Web Server, FTP Server, Telnet Server, SSH Server |
| SDK provided |
Standard LinPAC SDK for Windows and Linux by GNU C language |
| Communication Interface |
| CPU |
PXA270 or compatible (32-bit and 520MHz) |
| SDRAM |
128MB |
| Dual Battery Backup SRAM |
512K bytes (for 5 years data retain) |
| Flash |
48MB |
| EEPROM |
16K bytes
Data retention: 40 years; 1,000,000 erase/write cycles. |
| Expansion Flash Memory |
Micro SD socket with 1GB flash card |
| RTC (real time clock) |
Year-2000 compliance; seconds, minutes, hours, date of the month; month, year, valid up from 1980 to 2079 |
| 64-bit Hardware Serial Number |
Yes |
| Dual Watchdog Timer |
Yes |
| Programmable LED indicator |
1 |
| Rotary Switch |
Yes (0~9) |
| DIP Switch |
Yes (8 bits); (for LP-8441 and LP-8841 only) |
| Connectivity |
| VGA |
1 (800x600 resolution) |
| Ethernet Port |
2
10/100Base-TX Ethernet Controller (Auto-negotiating, Auto_MDIX, LED indicator) |
| USB 1.1 (host) |
1 |
| COM 0 |
Internal communication with the 87K modules in slots |
| COM 1 |
RS-232 (to update firmware) (RXD, TXD, and GND); Non-isolation |
| COM 2 |
RS-485 (D2+, D2-; self-tuner ASIC inside); 3000VDC isolation |
| COM 3 |
RS-232/RS-485 (RXD, TXD, CTS, RTS and GND for RS-232, Data+ and Data- for RS-485); Non-isolation; (for LP-844x and LP-884x only) |
| COM 4 |
RS-232 (RXD, TXD, CTS, RTS, DSR, DTR, CD, RI and GND); Non-isolation;
(for LP-844x and LP-884x only) |
| I/O expansion slots (Supports high pofile I-8K and I-87K modules only) |
| LP-8141 |
1 Slot |
| LP-8441 |
4 Slots |
| LP-8841 |
8 Slots |
| Dimensions ( W x D x H) |
| LP-8141 |
95mm x 132mm x 98mm |
| LP-8441 |
230mm x 132mm x 98mm |
| LP-8841 |
354mm x 132mm x 98mm |
| Operating Environment |
| Operating Temperature |
-25¢XC to +75¢XC |
| Storage Temperature |
-40¢XC to +85¢XC |
| Humidity |
5 ~ 95%,non-condensing |
| Power |
| Input Range |
+10V ~ +30V |
| Isolation |
1KV |
| Redundant Power Inputs |
Yes |
| Capacity |
LP-8141: 1.0A, 5V supply to CPU and backplan,
0.6A, 5V supply to I/O expansion slots, total 8W |
LP-8441: 1.1A, 5V supply to CPU and backplan,
4.9A, 5V supply to I/O expansion slots, total 30W |
LP-8841: 1.2A, 5V supply to CPU and backplan,
4.8A, 5V supply to I/O expansion slots, total 30W |
| Consumption |
LP-8141: 7.3W (0.3A@24V) |
| LP-8441: 9.1W (0.38A@24V) |
| LP-8841: 9.6W (0.4A@24V) |
